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  1. teddybear_01


    Triclosan is bacteriostatic and inhibits fatty acid synthesis by binding to the reductase carrier protein. Does Benzoyl Peroxide cause a simlar effect too since it is lipophilic? How does benzoyl peroxide decrease the number of fatty acids...what is the mechanism (I am aware that it oxidises it)? I would appreciate any help Thanks
  2. Hi I am doing biology investigation on the effect of face wash on bactera. I will form bacteria from milk and will use methylene blue indicator with colorimetry. I know what i am supposed to do but I odnt actually understand how to carry out the practical. I am using spearmanns rank. I would appreciate some guidance on this as soon as possible - my practicals beging tommorow! Thanks
  3. i have to extract the iron form the tablet (which is what im stuck on) and then titrate it with potassium manganate and then use colorimetry
  4. I am carrying out an investigation onthe purity of iron tablets. Could some-one please provide me with some information on how I would actually extract the iron from the tablet. I know i would have to titrate it with potassium manganate and use colorimetry but i am stuck on writing the method for how to extract the iron form the tablet. I would really appreciate any help. Thanks
  5. hello to investigate the percentage of purity of iron i iron tablets what else would i have to do apart from titration and colorimtery? Also, how could i investigate effectiveness of sunscreen aginast UV? Lastly, how could i briefly investigate the conc of caffeine in diff coffee brands? I am desparate for help and would rly appreciate it asap! Thanks
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